/*
 * Copyright 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.mathematica.pro;

import java.io.IOException;

import com.google.android.gms.auth.GoogleAuthException;
import com.google.android.gms.auth.GoogleAuthUtil;
import com.google.android.gms.auth.GooglePlayServicesAvailabilityException;
import com.google.android.gms.auth.UserRecoverableAuthException;

/**
 * This example shows how to fetch tokens if you are creating a foreground
 * task/activity and handle auth exceptions.
 */
public class GetNameInForeground extends AbstractGetNameTask {

	public GetNameInForeground(NewMainMenu activity, String email, String scope,
			int requestCode) {
		super(activity, email, scope, requestCode);
	}

	/**
	 * Get a authentication token if one is not available. If the error is not
	 * recoverable then it displays the error message on parent activity right
	 * away.
	 */
	@Override
	protected String fetchToken() throws IOException {
		try {
			return GoogleAuthUtil.getToken(mActivity, mEmail, mScope);
		} catch (GooglePlayServicesAvailabilityException playEx) {
			// GooglePlayServices.apk is either old, disabled, or not present.
		} catch (UserRecoverableAuthException userRecoverableException) {
			// Unable to authenticate, but the user can fix this.
			// Forward the user to the appropriate activity.
			mActivity.startActivityForResult(
					userRecoverableException.getIntent(), mRequestCode);
		} catch (GoogleAuthException fatalException) {
			onError("Unrecoverable error " + fatalException.getMessage(),
					fatalException);
		}
		return null;
	}
}
